Electric toothbrush handle



FIG. 1 is a perspective view of an electric toothbrush handle from the top, front and right side, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electric toothbrush handle, as shown and described. 